(Solution) Math 225 Week 2 Assignment Frequency Tables and Histograms

Week 2 Assignment Frequency Tables and Histograms

Question

Describe the shape of the given histogram.

Select the correct answer below:

uniform

unimodal and symmetric

unimodal and left-skewed

unimodal and right-skewed

bimodal

Question

Describe the shape of the given histogram.

Select the correct answer below:

uniform

unimodal and symmetric

unimodal and left-skewed

unimodal and right-skewed

bimodal

Question

Randomly selected individuals at a fashion store were asked how many fashion accessories they currently own. The results are displayed in the following frequency table.

Which histogram accurately summarizes the data?

Value  Frequency
8 3
9 2
10 4
11 3
12 0
13 4
14 2
15 5
16 10

correct answer

Question

The speed (in mph) of randomly selected bicyclists were measured as they were approaching a hill.  The results are presented in the following histogram.

How many of those bicyclists were traveling at least 8.5 and less than 11.5 mph as they were approaching the hill?

22 Bicyclists

Question

A professor gave students a test, and the distribution of the scores of the students is shown in the histogram below. What shape does the distribution have?

Select the correct answer below:

uniform

unimodal and symmetric

unimodal and left-skewed

unimodal and right-skewed

bimodal

Question

The histogram below represents the prices of digital SLR camera models at a store. Describe the shape of the distribution.

Select the correct answer below:

uniform

unimodal and symmetric

unimodal and left-skewed

unimodal and right-skewed

bimodal

Question

Several people were asked to report the number of hours of sleep they average per night.  The results are shown in the histogram below.  How many of those people average greater than 4.5 and less than 6.5 hours of sleep per night?

 

Question

Given the following histogram for a set of data, how many values in the data set are greater than 10.5 and less than 12.5?

 

Solution:

Question

Describe the shape of the given histogram.

Select the correct answer below:

uniform

unimodal and symmetric

unimodal and left-skewed

unimodal and right-skewed

bimodal

Question

Describe the shape of the given histogram.

Select the correct answer below:

uniform

unimodal and symmetric

unimodal and left-skewed

unimodal and right-skewed

bimodal

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